Hi everyone. I am happy to report that I have successfully disassembled, modified, and re-installed my Black Box cockpit into the fuselage.
Fortunately, I think the cockpit tub was glued to the interior paint, it came out fairly easily. I sanded down the bottom of the tub, and when I re-installed it, I used a couple of shims, made from .015" sheet styrene. Look at the first two photos; the first is the original installation, I put a green arrow to show the gap, that cockpit tub was seriously out of kilter. The second is a photo of the re-installed cockpit, MUCH BETTER!
(Oh yeah, I broke the front side panels during painting...D'oah!)
And I think filling in that huge abyss in front of the instrument panel hood just got a bit easier, I again used .015" styrene sheet and made a "support", spanning from one fuselage half to the other, onto which a muthuh-load of putty will now be applied.
Whew! I think I really dodged a bullet on this one!